package com.Guo.auth;

import com.Guo.response.Result;
import com.Guo.response.ResultCode;
import org.springframework.security.authentication.*;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author Admin
 * @project MyAuthenticationFailureHandler
 * @description 登录失败
 * @date 2020-12-15-20:29
 */
@Component("authenticationFailureHandler")
public class MyAuthenticationFailureHandler extends JSONAuthentication implements AuthenticationFailureHandler {

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
       //对返回的e进行判断  判断到底是什么原因导致的登录失败
        Result result=null;
        if (e instanceof AccountExpiredException) {
            //账号过期
            result = Result.error(ResultCode.USER_ACCOUNT_EXPIRED);
        } else if (e instanceof BadCredentialsException) {
            //密码错误
            result = Result.error(ResultCode.USER_CREDENTIALS_ERROR);
        } else if (e instanceof CredentialsExpiredException) {
            //密码过期
            result = Result.error(ResultCode.USER_CREDENTIALS_EXPIRED);
        } else if (e instanceof DisabledException) {
            //账号不可用
            result = Result.error(ResultCode.USER_ACCOUNT_DISABLE);
        } else if (e instanceof LockedException) {
            //账号锁定
            result = Result.error(ResultCode.USER_ACCOUNT_LOCKED);
        } else if (e instanceof InternalAuthenticationServiceException) {
            //用户不存在
            result = Result.error(ResultCode.USER_ACCOUNT_NOT_EXIST);
        }else{
            //其他错误
            result = Result.error(ResultCode.COMMON_FAIL);
        }
        this.WriteJSON(response,request,result);
        //中文乱码在JSONAuthentication类中已经解决
    }
}
